[go: up one dir, main page]

US9880678B2 - Touch sensor layer and display device - Google Patents

Touch sensor layer and display device Download PDF

Info

Publication number
US9880678B2
US9880678B2 US14/635,786 US201514635786A US9880678B2 US 9880678 B2 US9880678 B2 US 9880678B2 US 201514635786 A US201514635786 A US 201514635786A US 9880678 B2 US9880678 B2 US 9880678B2
Authority
US
United States
Prior art keywords
touch sensor
conducting lines
display device
layer
sensor units
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active, expires
Application number
US14/635,786
Other languages
English (en)
Other versions
US20160231842A1 (en
Inventor
Hsiao-Min Yin
Yao-Pin Hsu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hon Hai Precision Industry Co Ltd
Original Assignee
Hon Hai Precision Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hon Hai Precision Industry Co Ltd filed Critical Hon Hai Precision Industry Co Ltd
Assigned to YE XIN TECHNOLOGY CONSULTING CO., LTD. reassignment YE XIN TECHNOLOGY CONSULTING CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HSU, YAO-PIN, YIN, HSIAO-MIN
Assigned to HON HAI PRECISION INDUSTRY CO., LTD. reassignment HON HAI PRECISION INDUSTRY CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: YE XIN TECHNOLOGY CONSULTING CO., LTD.
Publication of US20160231842A1 publication Critical patent/US20160231842A1/en
Application granted granted Critical
Publication of US9880678B2 publication Critical patent/US9880678B2/en
Active legal-status Critical Current
Adjusted expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0448—Details of the electrode shape, e.g. for enhancing the detection of touches, for generating specific electric field shapes, for enhancing display quality
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412—Digitisers structurally integrated in a display

Definitions

  • the subject matter herein generally relates to a touch sensor layer and more particularly, to a display device with a touch sensor layer.
  • buttons, keys, touch sensor panels, and the like are presently available for performing operations in a computing system, such as buttons, keys, touch sensor panels, and the like.
  • Touch sensor panels in particular, are becoming increasingly popular because of their ease and versatility of operation as well as their declining price.
  • a display module can have red, green and blue sub-pixels and black mask patterned in horizontal and vertical directions, parallel to drive lines and sense lines of the touch sensor panel.
  • the pattern formed by the drive lines and the sense lines can have a periodicity different from that of the sub-pixels of the display module and black mask. Because the drive lines and sensor lines may not be entirely clear, the superposition of the touch sensor panel and the display module can cause aliasing effects. As a result, visually unappealing Moire patterns can appear as alternating brighter and darker regions or bands.
  • FIG. 1 illustrates exemplary Moire patterns that can appear when two sets of lines with slightly different pitches are superimposed.
  • a touch sensor layer includes a plurality of touch sensor units defined by a plurality of first non-continuous conducting lines and a plurality of second non-continuous conducting lines cross over each other and a sensor electrode defined by some of the plurality of touch sensor units connected together.
  • a display device includes a display module including a substrate and a touch sensor layer disposed on the substrate.
  • the ouch sensor layer includes a plurality of touch sensor units defined by a plurality of first non-continuous conducting lines and a plurality of second non-continuous conducting lines cross over each other and a sensor electrode defined by some of the plurality of touch sensor units connected together.
  • a touch sensor layer includes a plurality of first non-continuous conducting lines, a plurality of second non-continuous conducting lines, a plurality of touch sensor units, and a sensor electrode.
  • the plurality of first non-continuous conducting lines is parallel arranged.
  • the plurality of second non-continuous conducting lines is parallel arranged.
  • An angle of 0 to 90 degrees is formed between the plurality of first non-continuous conducting lines and the plurality of second non-continuous conducting lines.
  • the plurality of touch sensor units is defined by the plurality of first non-continuous conducting lines and the plurality of second non-continuous conducting lines cross over each other.
  • the sensor electrode is defined by some of the touch sensor units connected together.
  • a display device includes a display module and a touch sensor layer.
  • the display module includes a substrate.
  • the touch sensor layer is disposed on the substrate.
  • the touch sensor layer includes a plurality of first non-continuous conducting lines, a plurality of second non-continuous conducting lines, a plurality of touch sensor units, and a sensor electrode.
  • the plurality of first non-continuous conducting lines is parallel formed on the touch sensor layer.
  • the plurality of second non-continuous conducting lines is also parallel formed on the touch sensor layer.
  • An angle is formed between the plurality of first non-continuous conducting lines and the plurality of second non-continuous conducting lines.
  • the plurality of touch sensor units is defined where the plurality of first non-continuous conducting lines and the plurality of second non-continuous conducting lines cross over each other.
  • the sensor electrode is defined by some of the touch sensor units connected together.
  • a display device includes a display module and a touch sensor layer.
  • the display module has an array of pixels of different colors sub-pixels and includes a substrate.
  • the touch sensor layer is disposed on the substrate.
  • the touch sensor layer includes a plurality of touch sensor units corresponding to the array of pixels and a sensor electrode.
  • Each of the touch sensor units has four edges. Each edge includes a flat and a recess. Two flats of two adjacent touch sensor units are corresponding to each other to form a connecting area. Two recesses of two adjacent touch sensor units are corresponding to each other to form a silt area.
  • the sensor electrode is defined by some of the plurality of touch sensor units connecting each other.
  • FIG. 1 illustrates an exemplary of Moire patterns that can appear when two sets of lines with slightly different periodicity are superimposed.
  • FIG. 2 is a diagrammatic view of a display device of the present disclosure.
  • FIG. 3 is a diagrammatic view of a touch sensor layer of the present disclosure.
  • FIG. 4 illustrates an enlarged diagrammatic view of a touch sensor unit of the present disclosure.
  • FIG. 5 is an enlarged diagrammatic view of a plurality of touch sensor units of the present disclosure.
  • FIG. 6 is a diagrammatic view of a touch sensor layer of the present disclosure.
  • FIG. 7 is a diagrammatic view of an embodiment of sensor electrodes of the present disclosure.
  • FIG. 8 is a diagrammatic view of an embodiment of sensor electrodes of the present disclosure.
  • FIG. 9 is a diagrammatic view of an embodiment of sensor electrodes of the present disclosure.
  • FIG. 2 illustrates a diagram of a display device 10 of the present disclosure.
  • the display device 10 includes an array of sub-pixels of different colors.
  • display device 10 includes a repeating array of red (R), green (G) and blue (B) sub-pixels, each group of R, G and B sub-pixels forming a pixel 101 .
  • the sub-pixels are arranged so that the R sub-pixels are linearly aligned with each other in a vertical direction, as are the G sub-pixels and B sub-pixels.
  • the lines separating the sub-pixels can be filled with black mask 103 to reduce light leakage.
  • the display device 10 may also includes display module, substrate, alignment film, optical film, color filter, driver IC, cover lens, cover glass, connectors (which are not shown in FIG. 2 ) etc., omitted description here.
  • FIG. 3 illustrates a diagram of a touch sensor layer 20 of the present disclosure.
  • the touch sensor layer 20 is disposed on the display module 10 .
  • the touch sensor layer 20 is patterned a plurality of first non-continuous conducting lines 201 parallel arranged thereon, with numbers of connecting areas and slit areas connected continuously.
  • the touch sensor layer 20 is also patterned a plurality of second non-continuous conducting lines 203 parallel arranged thereon, with numbers of connecting areas and slit areas connected continuously.
  • An angle ⁇ is formed between the first non-continuous conducting lines 201 and the second non-continuous conducting lines 203 .
  • the angle may be an acute angle. In one embodiment, the angle is between 0 to 90 degrees. In another embodiment, the angle is less 90 degree.
  • the plurality of first non-continuous conducting lines 201 and the plurality of second non-continuous conducting lines 203 are straight lines.
  • the touch sensor layer 20 may be a single Indium Tin Oxide (ITO) layer. In another embodiment, the touch sensor layer 20 may be a single Indium Zinc Oxide (IZO) layer. In another embodiment, the touch sensor layer 20 may be a metal mesh layer.
  • ITO Indium Tin Oxide
  • IZO Indium Zinc Oxide
  • the touch sensor layer 20 may be a metal mesh layer.
  • the manufacturing methods mentioned are just some examples, but not limited thereto.
  • the touch sensor layer 20 is disposed on the display module 10 .
  • the display module 10 may include a cover lens, a cover glass, a substrate of a color filter, or a glass substrate (which are not shown in figures).
  • the touch sensor layer 20 may be disposed on the cover lens, the cover glass, the substrate of the color filter, or the glass substrate, as desired.
  • a plurality of touch sensor units 30 is defined by the plurality of first non-continuous conducting lines 201 and the plurality of second non-continuous conducting lines 203 cross over each other.
  • Profile of each touch sensor units 30 is rhombus.
  • the touch sensor unit 30 is corresponding to the pixel 101 .
  • a periodicity of the touch sensor unit 30 is corresponding to a periodicity of the pixel 101 .
  • three touch sensor units 30 are corresponding to two pixels 101 .
  • FIG. 4 illustrates an enlarged diagram of two touch sensor units 30 of the present disclosure
  • FIG. 5 illustrates an enlarged diagram of a plurality of touch sensor units 30 of the present disclosure
  • Each touch sensor unit 30 is rhombus with four edges. Each edge includes at least one flat 301 and at least one recess 303 . When two touch sensor units 30 are next to each other, with each corresponding edges to connect, two flats 301 of these two touch sensor units 30 are corresponding to each other and two recesses 303 of these two sensor units 30 are corresponding to each other.
  • two flats 301 of two adjacent touch sensor units 30 are corresponding to each other to form a connecting area 305 of the non-continuous conducting lines mentioned above, and two recesses 303 of two adjacent touch sensor units 30 are corresponding to each other to form a slit area 307 of the non-continuous conducting lines mentioned above.
  • a width W of each touch sensor unit 30 is about 80 ⁇ m, a height H of each connecting area 305 is less than 20 ⁇ m, and a width S of each slit area 307 is less than 10 ⁇ m.
  • FIG. 6 illustrates a diagram of a touch sensor layer 20 of the present disclosure.
  • Numbers of touch sensor units 30 defined by the plurality of first non-continuous conducting lines 201 and the plurality of second non-continuous conducting lines 203 cross over each other are arranged on the touch sensor layer 20 .
  • a sensor electrode 40 is defined by some of the touch sensor units 30 connected together.
  • the sensor electrode 40 is formed by separating some of the connecting areas 305 mentioned above. Therefore, an independent sensor electrode 40 disconnected with other touch sensor units 30 is defined. Due to the sensor electrode 40 is constructed from some touch sensor units 30 connected together, profile of the sensor electrode 40 is serrate shaped. Since the profiles of the sensor electrodes 40 are serrate shaped, Moire effects can be reduced and visibility issue can be improved.
  • FIG. 7 illustrates a diagram of an embodiment of sensor electrodes 50 of the present disclosure. As shown in FIG. 7 , profile of the sensor electrode 50 is hexagonal shaped, and the plurality of sensor electrodes 50 defined by some touch sensor units connected together are separated from each other.
  • FIG. 8 illustrates a diagram of another embodiment of sensor electrodes 60 of the present disclosure. As shown in FIG. 8 , profile of the sensor electrodes 60 is serrate shaped, and the plurality of sensor electrodes 60 defined by some touch sensor units connected together are separated from each other.
  • FIG. 9 illustrates a diagram of an embodiment of sensor electrodes 70 of the present disclosure. As shown in FIG.
  • profile of the sensor electrodes 70 is serrate shaped, and the plurality of sensor electrodes 70 defined by some touch sensor units connected together are separated from each other.
  • the profiles of the sensor electrodes 50 , the sensor electrodes 60 and the sensor electrodes 70 shown in FIG. 7-9 are in straight lines, there are serrate shaped actually. Due to the profiles of the sensor electrodes mentioned above are all serrate shaped, Moire effects can be reduced and visibility issue can be improved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Position Input By Displaying (AREA)
  • Microelectronics & Electronic Packaging (AREA)
US14/635,786 2015-02-05 2015-03-02 Touch sensor layer and display device Active 2036-01-07 US9880678B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
TW104103976A 2015-02-05
TW104103976A TWI585661B (zh) 2015-02-05 2015-02-05 觸控感應電極層及顯示裝置
TW104103976 2015-02-05

Publications (2)

Publication Number Publication Date
US20160231842A1 US20160231842A1 (en) 2016-08-11
US9880678B2 true US9880678B2 (en) 2018-01-30

Family

ID=56566828

Family Applications (1)

Application Number Title Priority Date Filing Date
US14/635,786 Active 2036-01-07 US9880678B2 (en) 2015-02-05 2015-03-02 Touch sensor layer and display device

Country Status (2)

Country Link
US (1) US9880678B2 (zh)
TW (1) TWI585661B (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115136108A (zh) * 2021-01-27 2022-09-30 京东方科技集团股份有限公司 显示装置的显示面板和显示装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110310033A1 (en) * 2010-06-17 2011-12-22 Au Optronics Corporation Sensing display device
US20120127414A1 (en) * 2010-11-22 2012-05-24 Lg Display Co., Ltd. Liquid Crystal Display Device and Method for Manufacturing the Same
US20120274602A1 (en) * 2011-04-29 2012-11-01 Qualcomm Mems Technologies, Inc. Wiring and periphery for integrated capacitive touch devices
US20140083751A1 (en) * 2012-09-21 2014-03-27 Samsung Electro-Mechanics Co., Ltd. Touch panel
TW201502938A (zh) 2013-06-24 2015-01-16 Microsoft Corp 具有傾斜電極矩陣的電容性觸控感測器
US20150370114A1 (en) * 2014-06-23 2015-12-24 Shanghai Tianma Micro-electronics Co., Ltd. Liquid crystal display device with touch function

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101059736B (zh) * 2006-04-20 2010-05-12 铼宝科技股份有限公司 光穿透式触控面板及其制造方法
CN103123548B (zh) * 2011-11-18 2016-12-07 宸鸿科技(厦门)有限公司 触控显示装置
TWI498797B (zh) * 2012-12-13 2015-09-01 Au Optronics Corp 觸控面板及觸控顯示面板
TW201504871A (zh) * 2013-07-17 2015-02-01 Wintek Corp 觸控面板與觸控顯示面板

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110310033A1 (en) * 2010-06-17 2011-12-22 Au Optronics Corporation Sensing display device
US20120127414A1 (en) * 2010-11-22 2012-05-24 Lg Display Co., Ltd. Liquid Crystal Display Device and Method for Manufacturing the Same
US20120274602A1 (en) * 2011-04-29 2012-11-01 Qualcomm Mems Technologies, Inc. Wiring and periphery for integrated capacitive touch devices
US20140083751A1 (en) * 2012-09-21 2014-03-27 Samsung Electro-Mechanics Co., Ltd. Touch panel
TW201502938A (zh) 2013-06-24 2015-01-16 Microsoft Corp 具有傾斜電極矩陣的電容性觸控感測器
US20150370114A1 (en) * 2014-06-23 2015-12-24 Shanghai Tianma Micro-electronics Co., Ltd. Liquid crystal display device with touch function

Also Published As

Publication number Publication date
TW201629736A (zh) 2016-08-16
TWI585661B (zh) 2017-06-01
US20160231842A1 (en) 2016-08-11

Similar Documents

Publication Publication Date Title
US10466522B2 (en) Display device
CN105094409B (zh) 触控显示面板
US9690411B2 (en) Touch display
US20180052359A1 (en) Color filter substrate, sensor substrate and display device
US20150277627A1 (en) Touch display device
US10139965B2 (en) Touch panel, manufacturing method thereof and display device
US20130234969A1 (en) Touch display panel
US20170329455A1 (en) Touch panel and touch display screen
US10042217B2 (en) Liquid-crystal display
US10559270B2 (en) Array substrate and display panel
CN105988613A (zh) 触控感应电极层及显示装置
US20170177124A1 (en) Display apparatus with touch detection function
US20210271347A1 (en) Touch display devices
US9563324B2 (en) Touch panel substrate, electronic device, and production method for electronic device
US9880678B2 (en) Touch sensor layer and display device
US20180336829A1 (en) Array substrate and display panel
JP2015206829A (ja) 表示装置
JP6400935B2 (ja) 表示装置
KR102341740B1 (ko) 터치 디스플레이
US20130044068A1 (en) Touch display panel
KR101738267B1 (ko) 입력 장치
KR200474148Y1 (ko) 터치 감응 디스플레이 장치
JP2019008539A (ja) 導電性パターン付き表示装置
CN105320329A (zh) 显示面板

Legal Events

Date Code Title Description
AS Assignment

Owner name: YE XIN TECHNOLOGY CONSULTING CO., LTD., TAIWAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:YIN, HSIAO-MIN;HSU, YAO-PIN;REEL/FRAME:035118/0374

Effective date: 20150129

AS Assignment

Owner name: HON HAI PRECISION INDUSTRY CO., LTD., TAIWAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:YE XIN TECHNOLOGY CONSULTING CO., LTD.;REEL/FRAME:038930/0480

Effective date: 20160308

STCF Information on status: patent grant

Free format text: PATENTED CASE

MAFP Maintenance fee payment

Free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY

Year of fee payment: 4